FOSS gamedev and creative worlds

Is it possible to make/code a remote or switch that can trigger a bomb or tnt or lamp etc. or switch channels on the tv from Jordach's TV mod or something like that. If so can someone plz type up the init for it or send a link to something similar?

Thx in advance ;-)

It is possible; see Meselamps which can be triggered with Mesecons.

But how do I use tht for changing channels and setting of TNT

It can already ignite TNT; the TV mod will need to add mesecon support if it is to be remotely controllable.